JPH03129421U - - Google Patents

Info

Publication number

JPH03129421U

JPH03129421U JP3933590U JP3933590U JPH03129421U JP H03129421 U JPH03129421 U JP H03129421U JP 3933590 U JP3933590 U JP 3933590U JP 3933590 U JP3933590 U JP 3933590U JP H03129421 U JPH03129421 U JP H03129421U

Authority

JP

Japan

Prior art keywords

optical function

molding

positioning protrusion

function pattern

mold

Prior art date

1990-04-11

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000000465 moulding Methods 0.000 claims description 9
• 230000003287 optical effect Effects 0.000 claims description 6
• 239000000463 material Substances 0.000 claims description 3
• 238000004519 manufacturing process Methods 0.000 description 1
• 239000000758 substrate Substances 0.000 description 1